SoA2, your "bad things" are not likely for No. 1, and fantasy for the second part of No. 2.
Sure, Japan will most likely change its constitution, since it has ignored Article 9 for the past 20 years, anyway. Its pretty hard to have the 4th largest military budget in the world and still say you don't have a military - with a straight face, at least.
Every country tests its weapons. Me thinks thou art making mountains.